.banner {
    height: 450px;
    background: url("../images/关于我们/组-33.png") no-repeat;
}

/* 模块一 */
.m_1_m_title,
.m_2_m_title {
    font-size: 30px;
    color: #333;
    font-weight: 550;
    margin: 100px auto 20px;
}

.transverse_line {
    width: 75px;
    height: 4px;
    background-color: #000;
    margin: 0 auto;
}

.m_1_e_title {
    font-size: 18px;
    color: #666;
    margin: 20px auto 70px;
    font-family: MicrosoftYaHei;
}

.m_1_content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 108px;
}

.m_1_cleft {
    text-align: left;
    font-size: 14px;
    color: #333;
    width: 510px;
    height: 300px;
}

.m_1_cright {
    width: 562px;
    height: 300px;
    background: url("../images/关于我们/组-37.png") no-repeat;
}

/* 模块二 */

.module_2 {
    background-color: #f7f7f7;
    overflow: hidden;
}

.m_2_content ul {
    width: 1050px;
    margin: 0 auto;
}

.m_2_content ul li img {
    width: 20px;
    height: 20px;
    background-color: #333;
    margin-right: 10px;
    margin-bottom: 6px;
}

.m_2_content ul li {
    width: 226px;
    height: 215px;
    float: left;
    background-color: #fff;
    margin-bottom: 50px;
    overflow: hidden;
}

.m_2_content ul li:nth-child(2),
.m_2_content ul li:nth-child(5) {
    margin: 0 186px;
}

.m_2_p1 {
    font-size: 20px;
    color: #333;
    margin: 50px auto 30px;
}

.m_2_p2 {
    font-size: 14px;
    color: #333;
    margin: 0 22px;
    text-align: left;
    font-family: MicrosoftYaHei;
}

/* 模块三 */
.module_3 {
    margin-bottom: 90px;
}

.m_3_top,
.m_3_bottom {
    display: flex;
    justify-content: space-between;
    margin-top: 100px;
    overflow: hidden;
}

.m_3_ttext,
.m_3_btext {
    width: 463px;
    height: 343px;
    text-align: left;
    padding-top: 100px;
}

.m_3_btext {
    text-align: right;
}

.m_3_ttitle {
    font-size: 20px;
    color: #333;
    font-weight: 550;
    margin-bottom: 30px;
}

.m_3_tcontent {
    font-size: 14px;
    color: #666;
}